The sun is Earth's closest star, yet its beauty is too intense to appreciate with the naked eye. Here are some of the most stunning solar images that our satellites and telescopes have captured.

“They appear moments after a lightning strike—a sudden reddish flash that can take a range of shapes, often combining diffuse ...

While they are referred to as upper atmospheric lightning, the only thing red sprites have in common with the typical form of ...

4. Limit your alcohol The sun is high, and so are many people's spirits. And that can lead us to the pub. Unfortunately, mixing too much sun with a few too many drinks is not a good combination.

NASA astronaut Nichole Ayers captured an electrifying image of a giant lightning "sprite" shooting up over Mexico and ...